var c = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/", f = "=";
function decodes(t) {
  var e, n, r = "";
  for (e = 0; e + 3 <= t.length; e += 3)
      n = parseInt(t.substring(e, e + 3), 16),
      r += c.charAt(n >> 6) + c.charAt(63 & n);
  for (e + 1 == t.length ? (n = parseInt(t.substring(e, e + 1), 16),
  r += c.charAt(n << 2)) : e + 2 == t.length && (n = parseInt(t.substring(e, e + 2), 16),
  r += c.charAt(n >> 2) + c.charAt((3 & n) << 4)); (3 & r.length) > 0; )
      r += f;
  return r
}
